Research Advances and Challenges in the Microbiology of Enhanced Biological Phosphorus Removal—A Critical Review
Authors: Gebremariam, Seyoum Yami; Beutel, Marc W; Christian, David; Hess, Thomas F
Source: Water Environment Research, Volume 83, Number 3, March 2011 , pp. 195-219(25)
Publisher: Water Environment Federation
Abstract:Enhanced biological phosphorus removal (EBPR) is a well-established technology for removing phosphorus from wastewater. However, the process remains operationally unstable in many systems, primarily because there is a lack of understanding regarding the microbiology of EBPR. This paper presents a review of advances made in the study of EBPR microbiology and focuses on the identification, enrichment, classification, morphology, and metabolic capacity of polyphosphate- and glycogen-accumulating organisms. The paper also highlights knowledge gaps and research challenges in the field of EBPR microbiology. Based on the review, the following recommendations regarding the future direction of EBPR microbial research were developed: (1) shifting from a reductionist approach to a more holistic system-based approach, (2) using a combination of culture-dependent and culture-independent techniques in characterizing microbial composition, (3) integrating ecological principles into system design to enhance stability, and (4) reexamining current theoretical explanations of why and how EBPR occurs.
Document Type: Research Article
Publication date: March 1, 2011
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